1 /*
2 * Copyright 2016, The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "util.h"
18
19 #include <sys/socket.h>
20 #include <time.h>
21
22 #include <string>
23 #include <utility>
24
25 #include <android-base/file.h>
26 #include <android-base/stringprintf.h>
27 #include <android-base/strings.h>
28 #include <cutils/sockets.h>
29 #include "protocol.h"
30
get_process_name(pid_t pid)31 std::string get_process_name(pid_t pid) {
32 std::string result = "<unknown>";
33 android::base::ReadFileToString(android::base::StringPrintf("/proc/%d/cmdline", pid), &result);
34 return result;
35 }
36
get_thread_name(pid_t tid)37 std::string get_thread_name(pid_t tid) {
38 std::string result = "<unknown>";
39 android::base::ReadFileToString(android::base::StringPrintf("/proc/%d/comm", tid), &result);
40 return android::base::Trim(result);
41 }
42
get_timestamp()43 std::string get_timestamp() {
44 timespec ts;
45 clock_gettime(CLOCK_REALTIME, &ts);
46
47 tm tm;
48 localtime_r(&ts.tv_sec, &tm);
49
50 char buf[strlen("1970-01-01 00:00:00.123456789+0830") + 1];
51 char* s = buf;
52 size_t sz = sizeof(buf), n;
53 n = strftime(s, sz, "%F %H:%M", &tm), s += n, sz -= n;
54 n = snprintf(s, sz, ":%02d.%09ld", tm.tm_sec, ts.tv_nsec), s += n, sz -= n;
55 n = strftime(s, sz, "%z", &tm), s += n, sz -= n;
56 return buf;
57 }
58